Motor direct-drive structure of cam box of weaving machine

Abstract

The utility model provides a loom cam case motor direct drive structure, including: box body, camshaft and mounting block, the outside of box body is provided with direct drive motor device, the both sides of box body are provided with first axle hole, the camshaft passes through the first axle hole, the box body is internally provided with shaft coupling, the shaft coupling passes through the first axle hole. The cam shaft is connected with the output end of the direct drive motor device through a coupler, conjugate cams are fixedly connected to the cam shaft, and the conjugate cams comprise a first cam and a second cam. According to the motor direct-drive structure of the cam box of the weaving machine, in the rotating process of the first driving wheel and the second driving wheel, one driving wheel always abuts against the upper side of one passing groove, the other driving wheel abuts against the lower side of the corresponding passing groove, the transmission process is more accurate, and the situation that under the normal condition, the motor direct-drive structure of the cam box of the weaving machine is damaged is avoided. And after a cam mechanism formed by a single cam is used for a long time, the accuracy is not enough due to errors caused by vibration in the transmission process.

Description

Technical Field

[0001] The utility model relates to the technical field of loom equipment, in particular to a loom cam box motor direct drive structure. Background Art

[0002] The shedding mechanism is an indispensable part of the loom, and there are many ways to form the shedding. Common shedding devices include cam shedding, multi-arm shedding and jacquard shedding. The cam shedding can be divided into positive and negative types according to the different forms of the heald. The common cam shedding mechanism on the market currently includes a cam shedding device, a connecting rod transmission amplification mechanism, a heald frame, and a guide support mechanism for the heald frame. The main working principle is to transmit the rotation of the loom main shaft to the cam shedding device.

[0003] In the existing loom cam box, during long-term use, the cam mechanism composed of a single cam may have errors and reduce accuracy due to vibration during the transmission process.

[0004] Therefore, it is necessary to provide a loom cam box motor direct drive structure to solve the above technical problems. Utility Model Content

[0005] The utility model provides a loom cam box motor direct drive structure, which solves the problem that during long-term use of the existing loom cam box, a cam mechanism composed of a single cam may have errors and reduce accuracy due to vibrations during transmission.

[0006] In order to solve the above technical problems, the utility model provides a loom cam box motor direct drive structure, including: a box body, a camshaft and a mounting block, a direct drive motor device is arranged on the outer side of the box body, first shaft holes are opened on both sides of the box body, and the camshaft passes through the first shaft hole, a coupling is arranged in the box body, and the camshaft is connected to the output end of the direct drive motor device through the coupling, a conjugate cam is fixedly connected to the camshaft, and the conjugate cam includes a first cam and a second cam, a connecting rod is fixedly connected to the first cam, and the connecting rod is fixedly connected to the second cam, a first driving wheel is arranged on the outer side of the first cam, and a second driving wheel is arranged on the outer side of the second cam, the mounting block includes a block body, a first through groove and a second through groove are opened inside the block body, second shaft holes are opened on both sides of the block body, and the camshaft passes through the second shaft hole, a driving member is fixedly connected to the lower part of the block body, and a through opening is opened at the bottom of the box body, and the driving member passes through the through opening.

[0007] Preferably, the direct-drive motor device includes a direct-drive motor and fastening bolts, the direct-drive motor is provided with a motor connecting disk, the motor connecting disk is fixedly connected to a motor fixing seat, the motor fixing seat is fixedly connected to a box body, the motor connecting disk is fixedly connected to the direct-drive motor through evenly distributed fastening bolts, and a locking piece is provided on the other side of the direct-drive motor, and the locking piece is fixedly connected to the direct-drive motor through evenly distributed fastening bolts.

[0008] Preferably, an upper cover is provided on the upper part of the box body, and a dome is provided on the upper cover, and the dome corresponds to the position of the mounting block.

[0009] Preferably, an encoding component is provided at one end of the camshaft away from the direct-drive motor device, and the encoding component includes an encoder connecting disk, an encoder and a flexible shaft, and an encoder shaft is provided on the encoder.

[0010] Preferably, a fixing sleeve is provided inside the box body, the encoder shaft and the flexible shaft pass through the fixing sleeve, and the encoder shaft is connected to the cam shaft via the flexible shaft.

[0011] Preferably, a first fixed seat, a second fixed seat and a support member are provided inside the housing, a first bearing is provided on the first fixed seat, a second bearing is provided on the second fixed seat, two groups of support members are provided and are located between the first fixed seat and the second fixed seat, and the support member is fixedly connected to the camshaft.

[0012] Compared with the related art, the loom cam box motor direct drive structure provided by the utility model has the following beneficial effects:

[0013] The utility model provides a direct-drive structure of a cam box motor for a loom. During the rotation of a first driving wheel and a second driving wheel, there is always a driving wheel pressed against the upper side of a through slot, and the other driving wheel pressed against the lower side of the corresponding through slot, so that the transmission process is more accurate, avoiding the problem of insufficient precision caused by errors in the transmission process due to vibration in a cam mechanism composed of a single cam after long-term use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A schematic diagram of a preferred embodiment of a loom cam box motor direct drive structure provided by the utility model Figure 1 ;

[0015] Figure 2 A schematic diagram of a preferred embodiment of a loom cam box motor direct drive structure provided by the utility model Figure 2 ;

[0016] Figure 3 This is a schematic diagram of the structure inside the box in the utility model;

[0017] Figure 4 It is a structural schematic diagram of the box body in the utility model;

[0018] Figure 5 It is a structural schematic diagram of the connection part of the camshaft and the encoder in the utility model;

[0019] Figure 6 This is a structural schematic diagram of the conjugate cam and the mounting block in the utility model;

[0020] Figure 7 It is a side structural schematic diagram of the conjugate cam and the mounting block in the utility model.

[0021] Numbers in the figure: 1. housing, 2. camshaft, 3. direct drive motor, 4. motor connecting plate, 5. locking piece, 6. fastening bolt, 7. motor fixing seat, 8. upper cover, 9. dome, 10. first shaft hole, 11. encoder connecting plate, 12. encoder, 13. encoder shaft, 14. flexible shaft, 15. first fixing seat, 16. first bearing, 17. second fixing seat, 18. second bearing, 19. fixing sleeve, 20. conjugate cam, 201. first cam, 202. second cam, 21. connecting rod, 22. first driving wheel, 23. second driving wheel, 24. mounting block, 241. block, 242. first through slot, 243. second through slot, 244. second shaft hole, 25. driving member, 26. through port, 27. coupling, 28. supporting member. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0023] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 ,in, Figure 1 A schematic diagram of a preferred embodiment of a loom cam box motor direct drive structure provided by the utility model Figure 1 ;

[0024] Figure 2 A schematic diagram of a preferred embodiment of a loom cam box motor direct drive structure provided by the utility model Figure 2 ;

[0025] Figure 3 This is a schematic diagram of the structure inside the box in the utility model;

[0026] Figure 4 It is a structural schematic diagram of the box body in the utility model;

[0027] Figure 5 It is a structural schematic diagram of the connection part of the camshaft and the encoder in the utility model;

[0028] Figure 6 This is a structural schematic diagram of the conjugate cam and the mounting block in the utility model;

[0029] Figure 7 It is a side structural schematic diagram of the conjugate cam and the mounting block in the utility model.

[0030] A loom cam box motor direct drive structure comprises: a box body 1, a camshaft 2 and a mounting block 24, wherein a direct drive motor device is arranged on the outer side of the box body 1, first shaft holes 10 are opened on both sides of the box body 1, and the camshaft 2 passes through the first shaft holes 10, and a coupling 27 is arranged in the box body 1, and the camshaft 2 is connected to the output end of the direct drive motor device through the coupling 27, and a conjugate cam 20 is fixedly connected to the camshaft 2, and the conjugate cam 20 includes a first cam 201 and a second cam 202, and a connecting rod 21 is fixedly connected to the first cam 201, and the connecting rod 2 1 is fixedly connected to the second cam 202, a first driving wheel 22 is arranged on the outer side of the first cam 201, a second driving wheel 23 is arranged on the outer side of the second cam 202, the mounting block 24 comprises a block body 241, a first through slot 242 and a second through slot 243 are formed inside the block body 241, second shaft holes 244 are formed on both sides of the block body 241, the camshaft 2 passes through the second shaft holes 244, a driving member 25 is fixedly connected to the lower part of the block body 241, a through opening 26 is formed at the bottom of the box body 1, the driving member 25 passes through the through opening 26.

[0031] Start the direct drive motor device to drive the camshaft 2 to rotate. At this time, the first cam 201, the second cam 202 and the first driving wheel 22 and the second driving wheel 23 on their outer sides also rotate synchronously. Since the first through slot 242 and the second through slot 243 are staggered, during the rotation of the first driving wheel 22 and the second driving wheel 23, there will always be a driving wheel and a through slot against the upper side, and the other driving wheel will be against the corresponding through slot. The lower side of the bottom side of the slot drives the block 241 and the lower driving member 25 to perform reciprocating motion.

[0032] The direct-drive motor device includes a direct-drive motor 3 and a fastening bolt 6. A motor connecting disk 4 is provided on the direct-drive motor 3. A motor fixing seat 7 is fixedly connected to the motor connecting disk 4. The motor fixing seat 7 is fixedly connected to the box body 1. The motor connecting disk 4 is fixedly connected to the direct-drive motor 3 through evenly distributed fastening bolts 6. A locking piece 5 is provided on the other side of the direct-drive motor 3. The locking piece 5 is fixedly connected to the direct-drive motor 3 through evenly distributed fastening bolts 6.

[0033] The direct drive motor 3 is stably mounted on the box body 1 through the motor connecting plate 4, the locking piece 5, the fastening bolts 6 and the motor fixing seat 7.

[0034] An upper cover 8 is disposed on the upper portion of the box body 1 , and a dome 9 is disposed on the upper cover 8 . The dome 9 corresponds to the position of the mounting block 24 .

[0035] The dome 9 prevents the mounting block 24 from colliding with the upper cover 8 during movement.

[0036] An encoding component is disposed at one end of the camshaft 2 away from the direct drive motor device. The encoding component includes an encoder connecting disk 11 , an encoder 12 and a flexible shaft 14 . An encoder shaft 13 is disposed on the encoder 12 .

[0037] The encoder 12 is used to transmit the information of the movement of the camshaft 2 to facilitate the staff to make adjustments.

[0038] A fixing sleeve 19 is disposed inside the housing 1 , and the encoder shaft 13 and the flexible shaft 14 pass through the fixing sleeve 19 . The encoder shaft 13 is connected to the cam shaft 2 via the flexible shaft 14 .

[0039] The fixing sleeve 19 is used to protect the camshaft 2, the encoder shaft 13 and the flexible shaft 14, and to increase the strength of the connection part.

[0040] The housing 1 is provided with a first fixing seat 15, a second fixing seat 17 and a support member 28. The first fixing seat 15 is provided with a first bearing 16, the second fixing seat 17 is provided with a second bearing 18, two groups of the support member 28 are provided and are located between the first fixing seat 15 and the second fixing seat 17, and the support member 28 is fixedly connected to the camshaft 2.

[0041] The two sets of fixing seats, bearings and support members 28 play the role of auxiliary support and ensuring the smooth rotation of the camshaft.

[0042] The working principle of a loom cam box motor direct drive structure provided by the utility model is as follows:

[0043] Start the direct drive motor device to drive the camshaft 2 to rotate. At this time, the first cam 201, the second cam 202 and the first driving wheel 22 and the second driving wheel 23 on their outer sides also rotate synchronously. Since the first through slot 242 and the second through slot 243 are staggered, during the rotation of the first driving wheel 22 and the second driving wheel 23, there will always be a driving wheel and a through slot against the upper side, and the other driving wheel will be against the corresponding through slot. The lower side of the bottom side of the slot drives the block 241 and the lower driving member 25 to perform reciprocating motion.

[0044] Compared with the related art, the loom cam box motor direct drive structure provided by the utility model has the following beneficial effects:

[0045] During the rotation of the first driving wheel 22 and the second driving wheel 23, there is always one driving wheel against the upper side of the through slot, and the other driving wheel against the lower side of the corresponding through slot, so that the transmission process is more accurate and avoids the problem of insufficient accuracy caused by errors in the transmission process due to vibration after long-term use of the cam mechanism composed of a single cam.

[0046] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A loom cam box motor direct drive structure, characterized in that: include: A box body, a camshaft and a mounting block, a direct-drive motor device is arranged on the outer side of the box body, first axial holes are opened on both sides of the box body, the camshaft passes through the first axial hole, a coupling is arranged in the box body, the camshaft is connected to the output end of the direct-drive motor device through the coupling, a conjugate cam is fixedly connected to the camshaft, the conjugate cam includes a first cam and a second cam, a connecting rod is fixedly connected to the first cam, the connecting rod is fixedly connected to the second cam, a first driving wheel is arranged on the outer side of the first cam, and a second driving wheel is arranged on the outer side of the second cam, the mounting block includes a block body, a first through groove and a second through groove are opened inside the block body, second axial holes are opened on both sides of the block body, the camshaft passes through the second axial hole, a driving member is fixedly connected to the lower part of the block body, a through opening is opened at the bottom of the box body, and the driving member passes through the through opening.

2. A loom cam box motor direct drive structure according to claim 1, characterized in that: The direct-drive motor device includes a direct-drive motor and fastening bolts. The direct-drive motor is provided with a motor connecting disk, and a motor fixing seat is fixedly connected to the motor connecting disk. The motor fixing seat is fixedly connected to the box body. The motor connecting disk is fixedly connected to the direct-drive motor through evenly distributed fastening bolts. A locking piece is provided on the other side of the direct-drive motor, and the locking piece is fixedly connected to the direct-drive motor through evenly distributed fastening bolts.

3. The loom cam box motor direct drive structure according to claim 1, characterized in that: An upper cover is arranged on the upper part of the box body, and a dome is arranged on the upper cover, and the position of the dome corresponds to the position of the mounting block.

4. The loom cam box motor direct drive structure according to claim 1, characterized in that: An encoding component is arranged at one end of the camshaft away from the direct drive motor device. The encoding component comprises an encoder connecting disk, an encoder and a flexible shaft. An encoder shaft is arranged on the encoder.

5. A loom cam box motor direct drive structure according to claim 4, characterized in that: A fixing sleeve is arranged inside the box body, the encoder shaft and the flexible shaft pass through the fixing sleeve, and the encoder shaft is connected to the cam shaft through the flexible shaft.

6. A loom cam box motor direct drive structure according to claim 1, characterized in that: A first fixing seat, a second fixing seat and a support member are arranged inside the housing, a first bearing is arranged on the first fixing seat, a second bearing is arranged on the second fixing seat, two groups of support members are arranged and are located between the first fixing seat and the second fixing seat, and the support member is fixedly connected to the camshaft.

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